[Spring] Spring vs Spring Boot

참고 : https://github.com/NKLCWDT/cs/blob/main/Spring/%EC%8A%A4%ED%94%84%EB%A7%81%20vs%20%EC%8A%A4%ED%94%84%EB%A7%81%EB%B6%80%ED%8A%B8.md